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Biology EOC Category 5

Total questions: 60

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
a)

A

b)

B

c)

C

d)

D

2.
a)

F

b)

G

c)

H

d)

J

3.
a)

F

b)

G

c)

H

d)

J

4.
a)

A

b)

B

c)

C

d)

D

5.
a)

A

b)

B

c)

C

d)

D

6.
a)

F

b)

G

c)

H

d)

J

7.
a)

F

b)

G

c)

H

d)

J

8.
a)

A

b)

B

c)

C

d)

D

9.
a)

F

b)

G

c)

H

d)

J

10.
a)

A

b)

B

c)

C

d)

D

11.
a)

A

b)

B

c)

C

d)

D

12.
a)

A

b)

B

c)

C

d)

D

13.
a)

A

b)

B

c)

C

d)

D

14.
a)

F

b)

G

c)

H

d)

J

15.
a)

A

b)

B

c)

C

d)

D

16.
a)

F

b)

G

c)

H

d)

J

17.
a)

F

b)

G

c)

H

d)

J

18.
a)

F

b)

G

c)

H

d)

J

19.
a)

A

b)

B

c)

C

d)

D

20.
a)

F

b)

G

c)

H

d)

J

21.

Bacteria is known as__________________ in an ecosystem when feeding on dead organisms.

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

22.
Nitrogen-fixing bacteria are important because...
a)
they are decomposers
b)
they are salt lovers
c)
they provide protection for plants from diseases
d)
they make nitrogen available to plants in form they can use
23.

Fungi and bacteria obtain food by _______________.

a)

making their on food

b)

feeding on other living things, dead or alive

c)

moving from place to place, looking for food.

24.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
25.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
26.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
27.

Which of the following best describes primary succession?

a)

Volcano wipes out ecosystem that gradually grows back from ash covered soil

b)

Volcano creates a new island of rock that must break down to form an ecosystem

c)

Forest fire burns down forest that must bounce back over time

d)

Tornado destroys a crop that must slowly grow back over time.

28.

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

a)

trees

b)

shrubs

c)

mosses

d)

grasses

29.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

30.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
31.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
32.

What is an example of a disturbance that could bring about secondary succession?

a)

Humans cut down many trees in a small region

b)

A volcanic eruption covers a village in lava.

33.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
34.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
35.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
36.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
37.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
38.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
39.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

40.
What type of symbiosis is this?
*Hermit crabs find shells left by snails that have died and move in.
*  Snails die and leave behind their shells.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
41.
Silverfish live and hunt with army ants. They share the prey.  They neither help nor harm the ants. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
42.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 
a)
parasitism
b)
commensalism
c)
mutualism
43.
A cuckoo may lay its eggs in a warbler’s nest. The cuckoo’s young will knock the warbler’s eggs out of a nest and the warbler will raise the cuckoo’s young.
a)
parasitism
b)
commensalism
c)
mutualism
44.
An animal's color or pattern that helps it blend into its surroundings
a)
Environment 
b)
Mimicry
c)
Camouflage
d)
Habitat
45.
What genetic change allows organisms to survive natural selection in their environments? 
a)
learned behavior
b)
acquired traits
c)
analogies
d)
adaptations
46.
Predict which moth would increase in population
a)
light 
b)
dark
47.
Which feature of a rose helps it grow without being eaten by large animals?
a)

flowers with bright colors

b)

sharp thorns

c)

small seeds

d)

deep roots

48.

Which Adaptation helped the frog blend in with the surroundings?

a)

Mimicry

b)

Scent

c)

Hibernation

d)

Camouflage

49.

Which of the following are examples of structural adaptations?

a)

Hibernation

b)

Migration

c)

Eyes

d)

Mating calls

50.

Which of the following examples are of behavioral adaptations?

a)

Migration

b)

Claws

c)

Teeth

d)

Eyes

51.

The diagram is intended to show relationships in an ecosystem. What do the arrows represent?

a)

The direction of population migration

b)

Differences in dietary habits

c)

Progressively smaller organisms

d)

The direction of the energy flow

52.

What is the sun's role in the energy pyramid?

a)

to produce chemical energy for the ecosystem.

b)

to provide radiant energy for producers to convert to chemical energy.

c)

to start the energy flow of the ecosystem.

d)

to provide mechanical energy for producers to convert to chemical energy.

53.

In this energy pyramid, what is the proper name for ANY ORGANISM ABOVE THE PRODUCER LEVEL?

a)

decomposers

b)

consumers

c)

producers

d)

omnivores

54.

The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred?

a)

3 and 4

b)

all equal amounts of energy being transferred

c)

2 and 3

d)

1 and 2

55.

Which organism in figure 1 contains the most available energy?

a)

plants

b)

hawks and owls

c)

spiders

d)

foxes

56.

The diagram represents a model of a food pyramid. Which statement best describes what happens in this food pyramid?

a)

More organisms die at higher levels than at lower levels, resulting in less mass at higher levels.

b)

When organisms die at higher levels, their remains sink to lower levels, increasing the mass of lower levels.

c)

Energy is lost to the environment at each level, so less mass can be supported at each higher level.

d)

Organisms decay at each level, and thus less mass can be supported at higher levels

57.

In the energy pyramid below, which organism has the least amount of energy available?

a)

primary carnivore

b)

top carnivore

c)

producers

d)

herbivores

58.

Which organisms play the largest role in converting nitrogen into various usable forms and back to a gas form?

a)

rabbits

b)

bacteria

c)

plants

d)

worms

59.

Which is a true statement about the Nitrogen Cycle?

a)

The burning of fossil fuels has no effect on the Nitrogen Cycle

b)

Bacteria are responsible for converting Nitrogen into a form that can be used by plants

c)

Nitrogen is not a very important element to living organisms

d)

Nitrogen fixing takes place during photosynthesis

60.

Which of the following is correct about the carbon cycle?

a)

Photosynthesis of plant life is one of the main producers of CO2

b)

Burning fossil fuels decreases atmospheric CO2

c)

Glucose is a form of carbon storage in plants

d)

Cellular respiration is a process that decreases CO2

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